Finding the Third Proportional to 2,129,856 and 4,632,888

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,856 : 4,632,888 = 4,632,888 : x
2. Step 2: Convert to fraction form
   2,129,856/4,632,888 = 4,632,888/x
3. Step 3: Cross multiply
   2,129,856x = 4,632,888 × 4,632,888
4. Step 4: Simplify right side
   2,129,856x = 21,463,651,220,544
5. Step 5: Solve for x
   x = 21,463,651,220,544/2,129,856
6. Step 6: Final answer
   x = 10,077,512.86